Main Chipset

Embedded Infineon PSB21553(CPU150M,DSP100M)
Supports SIP 2.0
Supports codes G711(A-law and U-law), G.723.1 (5.3K/6.3K), G.726(40K/32K/24K/16K),G.729A/B, and iLBC.
Supports silence suppression and check VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)

Functions

Full duplex hands-free speakerphone
Call forward/transfer/holding/waiting
Caller ID identification, Call History
Support Hotline
Empty calling No. reject service
No disturb (DND)
Flexible dial map, Reject service, Black list, out-limit

Spec

Interface:1 WAN,1LAN
Support:3 SIP accounts